STATE FATALITY DATA - 2023

Massachusetts: lower-rate fatality band

Massachusetts is in the lower per-capita third: 343 traffic deaths in 2023 at 4.9 per 100,000 (#51 of 51).

343
Deaths (2023)
4.9
Per 100k residents
Well below average
0.6
Per 100M VMT
-92
2022–2023 deaths

Lower per-capita fatality band

Massachusetts ranks #51 of 51 by deaths per 100,000 residents (4.9/100k) - bottom-third rate among 51 states and D.C.

Massachusetts in the lower-rate third

According to NHTSA FARS, Massachusetts sits in the lower-rate third at 4.9 per 100k (#51 of 51), 60% below the U.S. 12.2 benchmark, with nighttime the largest contributing factor.

#51 of 51
lower-rate third
4.9/100k
2023 fatality rate
#32/51
by total FARS fatalities
Nighttime
leading contributing factor

NHTSA FARS milepost

Milepost MA · Massachusetts #51 of 51 · 4.9/100k

Massachusetts · 4.9/100k · 343 in 2023 · #51 of 51

  • VS-US 4.9/100k
  • PHOTO #51 of 51
  • YOY 0.6/100M
  • FARS 3,303 book
  • NHTSA near New York
  • MILE 25.0% spd
  • BAND 20.3% ped
  • POST -59.9% vs US

Stamps derive from this state's NHTSA FARS row (per-100k rate, corpus rank, VMT rate, fatality book, nearest-rate peer, alcohol/speeding/pedestrian shares, vs-national gap), not a trip-risk forecast. PlainRoadSafety is informational only. See our disclaimer. Verify with NHTSA FARS → · Read with methodology → · Understanding road fatality data → · States ranked →

B-
Road Safety Index
66/100
Massachusetts

Benchmarked against all 51 states (50 states + DC) on fatality rate, exposure-adjusted rate, pedestrian and impaired-driving fatality share, and safety trend from NHTSA FARS, US Census Bureau, and FHWA sources, not enforcement, infrastructure spend, or road-condition ratings.

Fatality Rate A+
4.9/100k
Fatalities per 100,000 residents (NHTSA FARS + Census PEP population)
Exposure-Adjusted Rate A+
0.56/100M VMT
Fatalities per 100 million vehicle miles traveled (NHTSA FARS + FHWA Highway Statistics)
Pedestrian Safety F
20.3%
Share of fatalities that were pedestrians (NHTSA FARS)
Impaired-Driving Control C-
25.0%
Share of fatalities that were alcohol-impaired (NHTSA FARS)
Safety Trend F
-0.3%
Change in fatalities over the reporting period; negative is declining (NHTSA FARS)

Pedestrian-led roadside pattern in Massachusetts

After vehicle-to-vehicle crashes, Massachusetts's 2023 FARS first-harm leader is Pedestrian at 17.3%, a pedestrian-forward pattern relative to fixed-object states. Counts come from the NHTSA FARS accident microdata for 2023 (first harmful event, weather, light, route, and rural/urban setting), not from the seeded state rollup alone.

First harmful event

  • Motor Vehicle In-Transport 32.5% · 111
  • Pedestrian 17.3% · 59
  • Tree (Standing Only) 11.4% · 39
  • Guardrail Face 7.0% · 24
  • Curb 6.7% · 23

Light condition

  • Daylight 42.4% · 145
  • Dark - Lighted 31.9% · 109
  • Dark - Not Lighted 20.8% · 71
  • Dusk 2.9% · 10
  • Dawn 2.0% · 7

Roadway class

  • State Highway 32.7% · 112
  • Not Signed 32.2% · 110
  • Interstate 16.1% · 55
  • U.S. Highway 5.8% · 20
  • Unknown/Not Reported 0.6% · 2

Weather at crash

  • Clear 66.4% · 227
  • Cloudy 21.9% · 75
  • Rain 8.8% · 30
  • Fog, Smog, Smoke 1.2% · 4
  • Severe Crosswinds 0.6% · 2

Massachusetts rate neighbourhood

Deaths per 100,000 residents vs nearest-rate peer states (NHTSA FARS).

per 100k

What this shows Massachusetts sits among the five nearest fatality-rate peers on the per-100k scale.

Source NHTSA FARS As of 2023

Leading Causes of Fatalities

Contributing factors in Massachusetts road deaths (2015-2023). Categories overlap.

% of fatalities

What this shows Nighttime is the top contributing cause in Massachusetts, involved in 48.6% of all road deaths. Note: categories overlap as a single crash may involve multiple factors.

Source NHTSA FARS As of 2023

Massachusetts vs all states by fatality rate

Where this state's deaths-per-100k sits among every state and D.C. on PlainRoadSafety

5 Among the safer states a lower per-capita rate than 98% of 51 states

States and D.C., banded by fatality rate per 100,000 residents

Each bar is a band; taller bars hold more states. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source NHTSA FARS over Census population · 2026-09-03

Massachusetts plotted against a representative sample of 26 of 51 states and D.C. by deaths per 100,000 residents (x) and deaths per 100 million vehicle miles traveled (y). Dashed lines mark the national median across all 51, computed from the full corpus. 2×2 strategic matrix plotting 26 entities by Deaths per 100,000 residents (X) and Deaths per 100M vehicle miles (Y), with a crosshair dividing the plot into four quadrants. High both waysRiskier per mile drivenRiskier per residentSafer, both measures 051015202530 00.511.52 Deaths per 100,000 residents Deaths per 100M vehicle miles Massachusetts: per capita vs. per mile driven
Massachusetts plotted against a representative sample of 26 of 51 states and D.C. by deaths per 100,000 residents (x) and deaths per 100 million vehicle miles traveled (y). Dashed lines mark the national median across all 51, computed from the full corpus.

Massachusetts can rank differently on each axis: population density pushes the per-capita rate one way, and rural-highway commute length pushes the per-mile rate another. Hover or tap any point (including Massachusetts's own, highlighted) for its exact figures.

Fatality Trend Analysis (2015–2023)

In the lower-rate third, Massachusetts moved from 344 deaths in 2015 to 343 in 2023 (-0.3%).

Year Fatalities Rate Alcohol Speeding Pedestrian
2015 344 4.9 83 90 79
2016 387 5.5 124 124 78
2017 347 5.0 107 103 72
2018 355 5.1 118 91 77
2019 336 4.8 107 50 77
2020 343 4.9 88 77 52
2021 413 5.9 61 97 74
2022 435 6.2 62 104 95
2023 343 4.9 77 91 67

Worcester leads Massachusetts's county fatality book

Worcester County alone accounts for 14.6% of Massachusetts's 2,959 FARS fatalities over 2015-2023 (431 deaths); on a per-100k basis, Franklin sits higher at 9.9/100k.

#CountyTotal FatalitiesTrend
1WORCESTER (27)431↑ increasing
2MIDDLESEX (17)410↑ increasing
3BRISTOL (5)353↑ increasing
4HAMPDEN (13)353↑ increasing
5NORFOLK (21)293↑ increasing
6PLYMOUTH (23)292↑ increasing
7ESSEX (9)281↑ increasing
8SUFFOLK (25)208↑ increasing
9BARNSTABLE (1)113↑ increasing
10BERKSHIRE (3)97↑ increasing
11HAMPSHIRE (15)65↑ increasing
12FRANKLIN (11)52↑ increasing
13DUKES (7)7↔ stable
14NANTUCKET (19)4↔ stable

States With Similar Fatality Rates

Among lower-rate peers, New York (5.7/100k) and District of Columbia (6.5/100k) bracket Massachusetts's 4.9 per 100k.

6 of 50 other states are shown here, ranked by closeness to Massachusetts's fatality rate.

Worcester County and related Massachusetts road data

Contextual links from this profile to rankings, tools, research, and peer geographies on PlainRoadSafety.

Data sourced from official public datasets for Massachusetts (#51 of 51; volume #32/51). See our methodology. Retrieved and formatted by PlainRoadSafety · vintage 2026-09-03

Verify with NHTSA FARS → · Verify with Census →